Cheapest return flights from Washington to Toronto in May from $236

Best time to book flights for Washington (DCA) to Toronto (YYZ) flights at AirHint

AirHint found the following cheapest return flights from Washington (DCA) to Toronto (YYZ) in May 2025 (see full year).

Return flights

14 May - 21 May Air Canada direct
30 May - 02 Jun Delta
27 May - 29 May Air Canada direct
09 May - 20 May Air Canada direct
04 May - 14 May Air Canada direct
03 May - 03 May Air Canada
06 May - 08 May Air Canada direct
15 May - 20 May United direct
03 May - 03 May American Airlines direct
08 May - 13 May United direct
09 May - 14 May United direct
30 May - 02 Jun United direct
21 May - 03 Jun WestJet

Also check the deals for one-way flights from Washington to Toronto in May.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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